Add flag to show toolkit-views dialogs on Mac, start with HTTP-Auth.

chrome/browser/ui/views/login_prompt_views.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/login/login_prompt.h"
 
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/views/login_view.h"
 #include "chrome/grit/generated_resources.h"
@@ skipping 120 matching lines @@
   ~LoginHandlerViews() override {}
 
   // The LoginView that contains the user's login information.
   LoginView* login_view_;
 
   views::Widget* dialog_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginHandlerViews);
 };
 
-// static
-LoginHandler* LoginHandler::Create(net::AuthChallengeInfo* auth_info,
-                                   net::URLRequest* request) {
+namespace chrome {
+
+LoginHandler* CreateLoginHandlerViews(net::AuthChallengeInfo* auth_info,
+                                      net::URLRequest* request) {
   return new LoginHandlerViews(auth_info, request);
 }
+
+}  // namespace chrome